Time (hours, half hours)

Primary Mathematics · 60 lessons

Fill in the blank: 2 hours and 30 minutes is written as ______.

  • 2 h 30 min
  • 30 h 2 min
  • 2 min 30 h
  • 30 min 2 h
Why:

The correct format for writing hours and minutes uses 'h' for hours and 'min' for minutes. Here, 2 hours is represented as '2 h' and 30 minutes as '30 min'.

Fill in the blank: 1 hour and 15 minutes is written as ______.

  • 1 h 15 min
  • 15 h 1 min
  • 1 min 15 h
  • 15 min 1 h
Why:

The correct format for writing hours and minutes uses 'h' for hours and 'min' for minutes. Here, 1 hour is represented as '1 h' and 15 minutes as '15 min'.

Fill in the blank: 3 hours and 45 minutes is written as ______.

  • 3 h 45 min
  • 45 h 3 min
  • 3 min 45 h
  • 45 min 3 h
Why:

When expressing time, we use 'h' for hours and 'min' for minutes. Thus, 3 hours is written as '3 h' and 45 minutes as '45 min'.

Fill in the blank: 4 hours and 20 minutes is written as ______.

  • 4 h 20 min
  • 20 h 4 min
  • 4 min 20 h
  • 20 min 4 h
Why:

The proper way to write time includes 'h' for hours and 'min' for minutes. Therefore, 4 hours becomes '4 h' and 20 minutes becomes '20 min'.

Fill in the blank: 5 hours and 10 minutes is written as ______.

  • 5 h 10 min
  • 10 h 5 min
  • 5 min 10 h
  • 10 min 5 h
Why:

When writing time, we use 'h' for hours and 'min' for minutes. Thus, 5 hours is written as '5 h' and 10 minutes as '10 min'.

Fill in the blank: 6 hours and 50 minutes is written as ______.

  • 6 h 50 min
  • 50 h 6 min
  • 6 min 50 h
  • 50 min 6 h
Why:

To write time correctly, we use 'h' for hours and 'min' for minutes. Here, 6 hours is '6 h' and 50 minutes is '50 min'.

Fill in the blank: 8 hours and 30 minutes is written as ______.

  • 8 h 30 min
  • 30 h 8 min
  • 8 min 30 h
  • 30 min 8 h
Why:

When writing time, we use 'h' for hours and 'min' for minutes. So, 8 hours is '8 h' and 30 minutes is '30 min'.

Fill in the blank: 11 hours and 55 minutes is written as ______.

  • 11 h 55 min
  • 55 h 11 min
  • 11 min 55 h
  • 55 min 11 h
Why:

When expressing time, we use 'h' for hours and 'min' for minutes. Hence, 11 hours is '11 h' and 55 minutes is '55 min'.

Fill in the blank: 12 hours and 25 minutes is written as ______.

  • 12 h 25 min
  • 25 h 12 min
  • 12 min 25 h
  • 25 min 12 h
Why:

In the proper format for time, we use 'h' for hours and 'min' for minutes. Therefore, 12 hours is '12 h' and 25 minutes is '25 min'.

Fill in the blank: 1 hour and 5 minutes is written as ______.

  • 1 h 6 min
  • 1 h 5 min
  • 1 h 4 min
  • 1 h 7 min
Why:

When expressing time, 'h' indicates hours and 'min' indicates minutes. Thus, 1 hour and 5 minutes is represented as '1 h 5 min'.

If the minute hand points to 6 and the hour hand is between 2 and 3, what is the time?

  • 2:30
  • 3:00
  • 2:45
  • 2:15
Why:

When the minute hand is on 6, it's half past the hour. The hour hand is between 2 and 3, so the time is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 1 and 2, what is the time?

  • 1:30
  • 2:30
  • 1:15
  • 2:00
Why:

When the minute hand is on 6, it indicates that it is half past the hour. The hour hand is between 1 and 2, so the time is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 4 and 5, what is the time?

  • 4:30
  • 5:00
  • 4:15
  • 5:30
Why:

The minute hand at 6 means it is half past the hour. The hour hand is between 4 and 5, thus it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 5 and 6, what is the time?

  • 5:30
  • 6:00
  • 5:15
  • 6:30
Why:

When the minute hand is on 6, it indicates half past the hour. The hour hand being between 5 and 6 shows it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 7 and 8, what is the time?

  • 7:30
  • 8:00
  • 7:15
  • 8:30
Why:

The minute hand at 6 indicates it is half past the hour. The hour hand is between 7 and 8, meaning it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 12 and 1, what is the time?

  • 12:30
  • 1:00
  • 11:30
  • 12:45
Why:

The minute hand on 6 indicates it is half past the hour. The hour hand is between 12 and 1, thus it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 9 and 10, what is the time?

  • 9:30
  • 10:00
  • 9:15
  • 10:30
Why:

The minute hand at 6 means it is half past the hour. The hour hand is between 9 and 10, thus it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 10 and 11, what is the time?

  • 10:30
  • 11:00
  • 10:15
  • 11:30
Why:

The minute hand at 6 indicates it is half past the hour. The hour hand is between 10 and 11, meaning it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 1 and 2, what is the time?

  • 1:30
  • 2:00
  • 1:15
  • 2:30
Why:

The minute hand at 6 indicates it is half past the hour. The hour hand is between 1 and 2, thus it is 'half past' the earlier hour.

If the minute hand points to 6 and the hour hand is between 3 and 4, what is the time?

  • 3:30
  • 4:00
  • 3:15
  • 4:30
Why:

The minute hand at 6 signifies half past the hour. The hour hand is between 3 and 4, indicating it is 'half past' the earlier hour.

If the minute hand points to 12 and the hour hand points to 3, what is the time?

  • 3 o’clock
  • 2:30
  • 3:30
  • 4:00
Why:

When the minute hand points to 12, it shows exactly on the hour. The hour hand pointing to 3 indicates that it is 3 o’clock.

If the minute hand points to 6 and the hour hand points to 2, what is the time?

  • 2:30
  • 2 o’clock
  • 3:00
  • 3:30
Why:

When the minute hand points to 6, it indicates half past the hour. The hour hand at 2 means it is 2:30.

If the minute hand points to 3 and the hour hand points to 5, what is the time?

  • 5:15
  • 5 o’clock
  • 4:45
  • 6:00
Why:

When the minute hand points to 3, it indicates a quarter past the hour. Thus, the hour hand at 5 means it is 5:15.

If the minute hand points to 9 and the hour hand points to 7, what is the time?

  • 7:45
  • 8:00
  • 7:15
  • 6:30
Why:

When the minute hand points to 9, it shows a quarter to the next hour. The hour hand being at 7 indicates it is 7:45.

If the minute hand points to 12 and the hour hand points to 10, what is the time?

  • 10 o’clock
  • 10:30
  • 9:00
  • 11:00
Why:

When the minute hand points to 12, it indicates the exact hour. Therefore, the time is 10 o’clock when the hour hand is on 10.

If the minute hand points to 6 and the hour hand points to 9, what is the time?

  • 9:30
  • 9:15
  • 8:45
  • 10:00
Why:

When the minute hand points to 6, it indicates half past the hour. The hour hand at 9 means it is 9:30.

If the minute hand points to 3 and the hour hand points to 8, what is the time?

  • 8:15
  • 8:45
  • 9:00
  • 7:30
Why:

When the minute hand points to 3, it shows a quarter past the hour. Thus, the hour hand at 8 means it is 8:15.

If the minute hand points to 12 and the hour hand points to 11, what is the time?

  • 11 o’clock
  • 11:30
  • 10:45
  • 12:00
Why:

When the minute hand points to 12, it shows the exact hour. Therefore, the time is 11 o’clock when the hour hand is on 11.

If the minute hand points to 9 and the hour hand points to 1, what is the time?

  • 1:45
  • 1:15
  • 2:00
  • 12:30
Why:

When the minute hand points to 9, it indicates a quarter to the next hour. The hour hand at 1 means it is 1:45.

If the minute hand points to 3 and the hour hand points to 1, what is the time?

  • 1:30
  • 1:00
  • 1:15
  • 1:45
Why:

When the minute hand points to 3, it shows a quarter past the hour. Thus, the hour hand at 1 means it is 1:15.

Mia goes to the park at 15{:}30. Which correct use of AM/PM?

  • 3:30 AM
  • 3:30 PM
  • 4:30 PM
  • 2:30 PM
Why:

The time 15:30 is after 12 noon, so it is PM. Therefore, the correct conversion is 3:30 PM.

Jake finishes his homework at 19:45. Which correct use of AM/PM?

  • 7:45 AM
  • 7:45 PM
  • 8:45 PM
  • 6:45 PM
Why:

The time 19:45 is after 12 noon, thus it is PM. The correct conversion is 7:45 PM.

Anna has dinner at 18:00. Which correct use of AM/PM?

  • 6:00 AM
  • 6:00 PM
  • 5:00 PM
  • 7:00 AM
Why:

The time 18:00 is after noon, meaning it is PM. Therefore, it converts to 6:00 PM.

Liam wakes up at 07{:}15. Which correct use of AM/PM?

  • 7:15 AM
  • 7:15 PM
  • 8:15 AM
  • 6:15 PM
Why:

The time 07:15 is before 12 noon, thus it is AM. The correct conversion is 7:15 AM.

Emma starts her class at 12{:}30. Which correct use of AM/PM?

  • 12:30 AM
  • 12:30 PM
  • 1:30 PM
  • 11:30 AM
Why:

The time 12:30 is noon or later, which means it is PM. Thus, it converts to 12:30 PM.

Noah goes to bed at 22{:}00. Which correct use of AM/PM?

  • 10:00 AM
  • 10:00 PM
  • 11:00 PM
  • 9:00 AM
Why:

The time 22:00 is after 12 noon, indicating it is PM. Therefore, it is 10:00 PM.

Sophia attends a meeting at 14{:}45. Which correct use of AM/PM?

  • 2:45 AM
  • 2:45 PM
  • 3:45 PM
  • 1:45 PM
Why:

The time 14:45 is after 12 noon, making it PM. Thus, it converts to 2:45 PM.

Oliver plays video games at 17{:}00. Which correct use of AM/PM?

  • 5:00 AM
  • 5:00 PM
  • 6:00 PM
  • 4:00 PM
Why:

The time 17:00 is after noon, so it is PM. Hence, the correct conversion is 5:00 PM.

Isabella studies at 11{:}15. Which correct use of AM/PM?

  • 11:15 AM
  • 11:15 PM
  • 10:15 AM
  • 12:15 PM
Why:

The time 11:15 is before noon, indicating it is AM. Thus, it converts to 11:15 AM.

Mia goes to bed at 21:30. Which correct use of AM/PM?

  • 9:30 AM
  • 9:30 PM
  • 10:30 PM
  • 10:30 AM
Why:

To find the correct use of AM or PM, first convert the 24-hour time 21{:}30 to a 12-hour format. Since 21{:}30 is after 12 noon, it is classified as PM.

If a class starts at 9:00 and ends one hour later, what time does it finish?

  • 10:00
  • 9:30
  • 9:45
  • 10:30
Why:

To find the finishing time, add one hour to the starting time of 9:00, resulting in 10:00.

If a meeting starts at 2:30 and lasts for half an hour, what time does it finish?

  • 2:00
  • 3:00
  • 2:45
  • 3:30
Why:

To find the finishing time, add half an hour (30 minutes) to the starting time of 2:30, resulting in 3:00.

If a workshop begins at 11:15 and continues for one hour, what time does it finish?

  • 12:15
  • 11:45
  • 11:30
  • 12:00
Why:

Add one hour to the starting time of 11:15 to find the finishing time, which is 12:15.

If a lecture starts at 1:15 and lasts for half an hour, what time does it finish?

  • 1:45
  • 1:30
  • 2:00
  • 1:00
Why:

To find the finishing time, add half an hour (30 minutes) to 1:15, which results in 1:45.

If a concert starts at 8:00 and ends one hour later, what time does it finish?

  • 8:30
  • 9:00
  • 9:30
  • 8:15
Why:

To find the finishing time, add one hour to the starting time of 8:00, resulting in 9:00.

If a show starts at 3:30 and lasts for half an hour, what time does it finish?

  • 4:00
  • 3:45
  • 3:15
  • 3:00
Why:

To find the finishing time, add half an hour (30 minutes) to 3:30, which results in 4:00.

If a presentation starts at 5:00 and runs for one hour, what time does it finish?

  • 5:30
  • 6:00
  • 5:15
  • 6:15
Why:

To find the finishing time, add one hour to the starting time of 5:00, resulting in 6:00.

If a class begins at 10:45 and lasts for half an hour, what time does it finish?

  • 10:15
  • 11:15
  • 11:00
  • 10:30
Why:

To find the finishing time, add half an hour (30 minutes) to 10:45, which results in 11:15.

If Mark starts studying at 2:15 PM and stops at 3:45 PM, how long did Mark study?

  • 1 h 30 min
  • 1 h 15 min
  • 1 h 45 min
  • 2 h
Why:

To find out how long Mark studied, subtract the start time from the end time. The duration is 1 hour and 30 minutes.

If Sarah begins her homework at 4:00 PM and finishes at 5:50 PM, how long did Sarah take to complete her homework?

  • 1 h 30 min
  • 1 h 50 min
  • 2 h
  • 2 h 30 min
Why:

The time from 4:00 PM to 5:50 PM is 1 hour and 50 minutes, calculated by finding the difference between the two times.

If Alex plays video games from 6:30 PM to 8:15 PM, how long did Alex play?

  • 1 h 45 min
  • 2 h 15 min
  • 2 h 30 min
  • 1 h 30 min
Why:

To determine how long Alex played, subtract the start time from the end time, resulting in 1 hour and 45 minutes.

If Emma starts watching a movie at 3:15 PM and finishes at 5:00 PM, how long did Emma watch the movie?

  • 1 h 45 min
  • 2 h 15 min
  • 1 h 30 min
  • 2 h
Why:

Emma watched the movie for 1 hour and 45 minutes, calculated by subtracting the start time from the end time.

If Jason starts cooking at 12:45 PM and finishes at 2:20 PM, how long did Jason cook?

  • 1 h 35 min
  • 1 h 45 min
  • 1 h 50 min
  • 2 h
Why:

To find out how long Jason cooked, subtract the start time from the end time, resulting in 1 hour and 35 minutes.

If Emma starts studying at 14:30 and stops at 16:00, how long did Emma study?

  • 1 h 30 min
  • 1 h 15 min
  • 1 h 45 min
  • 2 h
Why:

To find out how long Emma studied, subtract the start time from the end time. The calculation shows that there are 1 hour and 30 minutes between 14:30 and 16:00.

Ella painted a fence from 2:30 to 4:45. How long did it take?

  • 2 h 15 min
  • 2 h 45 min
  • 2 h 30 min
  • 2 h 5 min
Why:

To calculate the time taken, subtract the start time from the end time. The duration from 2:30 to 4:45 is 2 hours and 15 minutes, which matches the correct answer.

Liam studied for his math test from 1:15 to 3:00. How long did it take?

  • 1 h 45 min
  • 2 h 15 min
  • 1 h 30 min
  • 1 h 50 min
Why:

The time taken can be determined by subtracting the start time from the end time. From 1:15 to 3:00, the total time is 1 hour and 45 minutes, which corresponds to the correct answer.

Sofia read a book from 10:00 to 12:30. How long did it take?

  • 2 h 30 min
  • 2 h 15 min
  • 2 h 45 min
  • 2 h 20 min
Why:

To find the duration, subtract the start time from the end time. From 10:00 to 12:30, the time taken is 2 hours and 30 minutes, which matches the correct answer.

Noah played video games from 5:15 to 7:00. How long did it take?

  • 1 h 45 min
  • 1 h 30 min
  • 1 h 15 min
  • 1 h 20 min
Why:

The time taken can be calculated by subtracting the start time from the end time. The duration from 5:15 to 7:00 is 1 hour and 45 minutes, which is the correct answer.

Emma worked on her project from 8:45 to 10:15. How long did it take?

  • 1 h 30 min
  • 1 h 25 min
  • 1 h 20 min
  • 1 h 50 min
Why:

To find the duration, subtract the start time from the end time. The total time from 8:45 to 10:15 is 1 hour and 30 minutes, which corresponds to the correct answer.

Emily completed a project from 1:30 PM to 3:00 PM. How long did it take?

  • 1 h 30 min
  • 1 h 15 min
  • 1 h 45 min
  • 1 h 20 min
Why:

To calculate the duration, subtract the start time from the end time. The project started at 1:30 PM and ended at 3:00 PM, resulting in a duration of 1 hour and 30 minutes.

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